Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?

Last Updated: 30.06.2025 08:28

Can certain diseases cause paranoia similar to that seen in individuals with paranoid schizophrenia, even if they do not have the disorder?

Head injury

Dementia and drug use cause paranoia. That is very common. Some of other things that can include delusions and/or hallucination can be:

⁉️sources from my experiences and internet research ⁉️

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Parkinson's disease

Alcohol withdrawal

Stress

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Pharmaceutical drug (abuse or side effects)

Sleep disorders

Delirium tremens

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Fever

Narcolepsy

PTSD

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Dementia with Lewy bodies

Infection

Brain Tumors

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Bipolar disorder

Alzheimer's disease,

Seizures

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Alcohol

Affective disorders

Charles Bonnet syndrome

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Mental disorder

Migraines

Grief (yes, sadly)

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Withdrawal from benzodiazepines

Hallucinogen use

Some of those things on the list are very very rare cases but I just wanted to cover everything (or almost everything).

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